Стальной шар весом 40 г, падающий с высоты 2 м на стальную пластину, отскакивает от него на высоту 162 см. Найти импульс силы, полученный доской во время удара. A steel ball weighing 40 g, falling from a height of 2 m onto a steel plate, bounces from it to a height of 162 cm. Find the force impulse received by the board during the impact.
Стальной шар весом 40 г, падающий с высоты 2 м на стальную пластину, отскакивает от него на высоту 162 см. Найти импульс силы, полученный доской во время удара. A steel ball weighing 40 g, falling from a height of 2 m onto a steel plate, bounces from it to a height of 162 cm. Find the force impulse received by the board during the impact.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 21CQ: What is wrong with the following expressions? How can you correct them? (a) C=AB , (b) C=AB , (c)...
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Стальной шар весом 40 г, падающий с высоты 2 м на стальную пластину, отскакивает от него на высоту 162 см. Найти импульс силы, полученный доской во время удара.
A steel ball weighing 40 g, falling from a height of 2 m onto a steel plate, bounces from it to a height of 162 cm. Find the force impulse received by the board during the impact.
Expert Solution
Step 1
mass of steel ball m = 40 g = 0.04 kg
Assume downward displacement to be negative and upward displacement to be positive.
downward motion of the ball = -2 m
bounced back height (upward motion of ball) = 162 cm = 1.62 m
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